KROAK Portable Refrigerator User Manual

1. Introduction

Thank you for choosing the KROAK Portable Refrigerator. This manual provides essential information for the safe and efficient operation, maintenance, and troubleshooting of your new portable refrigerator. Designed for versatility, this dual-zone compressor cooler is perfect for camping, road trips, and other outdoor activities, offering reliable cooling and freezing capabilities.

Figure 1: KROAK Portable Refrigerator (Example 45L Bluetooth Version)

2. Safety Information

Please read all safety warnings and instructions carefully before using the appliance to prevent injury or damage. Keep this manual for future reference.

General Safety

• Do not operate the appliance if it is visibly damaged.
• Do not block the ventilation openings.
• Do not use electrical devices inside the refrigerator unless they are recommended by the manufacturer.
• Do not store explosive substances such as aerosol cans with a flammable propellant in this appliance.
• Ensure the appliance is placed on a stable, level surface.
• Keep the appliance away from heat sources and direct sunlight.
• This appliance can be used by children aged 8 years and above and persons with reduced physical, sensory or mental capabilities or lack of experience and knowledge if they have been given supervision or instruction concerning use of the appliance in a safe way and understand the hazards involved.
• Children shall not play with the appliance. Cleaning and user maintenance shall not be made by children without supervision.

Electrical Safety

• Ensure the power supply voltage matches the voltage specified on the appliance's rating label.
• Do not immerse the appliance or its power cord in water or other liquids.
• Always disconnect the power supply before cleaning or performing maintenance.
• Do not use the appliance with a damaged power cord or plug.
• When connecting to a vehicle's DC power, ensure the vehicle's battery is adequately charged to prevent discharge. The refrigerator features battery protection settings (Low, Medium, High) to help prevent this.

3. Product Overview

The KROAK Portable Refrigerator is a versatile cooling solution available in 35L, 45L, and 55L capacities. It features a powerful compressor for efficient cooling and freezing.

Key Features:

• Dual Zone Design: Can function as both a fridge and a freezer simultaneously. A removable partition allows for a single large compartment if desired.
• Temperature Range: Adjustable from -20°C to 20°C.
• Fast Cooling: Achieves 0°C within 15 minutes in MAX mode.
• Multiple Power Supply: Supports AC 100-240V for home use and DC 12/24V for vehicle use. Compatible with solar panels and energy accumulators for off-grid use.
• Operating Modes:
  • MAX Mode: Provides rapid cooling.
  • ECO Mode: Energy-saving mode, consuming less than 0.18 kWh per day.
• Battery Protection: Three levels (Low, Medium, High) to prevent vehicle battery discharge.
• Portability: Equipped with a non-slip handle and quiet, wear-resistant wheels for easy transport. Features an anti-shock design for outdoor activities.
• Bluetooth Version: Allows control via a mobile application (iOS & Android).
• Regular Version: Operates via the control panel only, without Bluetooth app connectivity.
• Low Noise Operation: Operates at approximately 45dB.
• Additional Conveniences: Built-in LED lights, chopping board, and drink holder.

Figure 2: KROAK Portable Refrigerator in use

Figure 3: Multiple Power Supply Options

Figure 4: Portability Features (Non-slip Handle and Wheels)

4. Setup and Installation

Unpacking and Initial Placement

1. Carefully remove the refrigerator from its packaging.
2. Place the refrigerator on a flat, stable surface.
3. Important: After transport, leave the refrigerator standing upright for at least 12 hours before connecting it to a power source. This allows the compressor oil to settle, ensuring optimal performance and longevity.
4. Ensure there is adequate ventilation around the appliance (at least 10 cm clearance on all sides) to allow for proper heat dissipation.

Figure 5: Dual Zone Interior and Initial Setup Note

Power Connection

• AC Power (Home Use): Connect the AC power cord to the refrigerator's AC input port, then plug it into a standard 100-240V AC wall outlet.
• DC Power (Car/RV Use): Connect the DC power cord (included) to the refrigerator's DC input port, then plug it into your vehicle's 12V or 24V cigarette lighter socket.
• Solar/Power Station: For compatible models, connect to a solar panel or portable power station using the appropriate cables (not included unless specified).

Bluetooth App Setup (for Bluetooth Versions Only)

1. Download the KROAK refrigerator app from your mobile device's app store (iOS or Android).
2. Ensure your refrigerator is powered on.
3. Open the app and follow the on-screen instructions to pair your device with the refrigerator via Bluetooth.
4. Once paired, you can control temperature settings, monitor real-time temperature and voltage, and switch modes directly from your phone.

Figure 6: Wireless App for Remote Operation

5. Operating Instructions

Control Panel Overview

The control panel typically includes a display, temperature adjustment buttons, and mode selection buttons. Refer to the specific layout on your unit.

Powering On/Off

• Press and hold the power button on the control panel to turn the refrigerator ON or OFF.

Setting Temperature

• Use the '+' and '-' buttons on the control panel (or via the app for Bluetooth versions) to adjust the desired temperature. The temperature range is -20°C to 20°C.
• The display will show the current temperature and the set temperature.
• To switch between Celsius (°C) and Fahrenheit (°F), refer to your unit's specific control panel instructions or the app settings.

Selecting Operating Mode (MAX/ECO)

• Press the 'MODE' button (or select via the app) to toggle between MAX and ECO modes.
• MAX Mode: For rapid cooling, ideal when you need to quickly reach the desired temperature.
• ECO Mode: For energy efficiency, suitable for maintaining temperature over longer periods, especially when powered by a vehicle battery or solar.

Battery Protection Settings (HML)

This feature protects your vehicle battery from excessive discharge. You can select from three levels:

• H (High): Highest protection, the refrigerator will stop operating at a higher battery voltage to save more power for vehicle starting.
• M (Medium): Moderate protection.
• L (Low): Lowest protection, allows the refrigerator to run longer, but with less reserve power for the vehicle battery.
• To adjust, press the 'SET' or 'BATTERY' button (or use the app) and cycle through H, M, L.

Dual Zone Functionality

• The refrigerator is designed with two compartments that can be set to different temperatures (one as a freezer, one as a fridge).
• If you wish to use the entire unit as a single large compartment (either fridge or freezer), you can remove the internal partition.

Memory Function

• The refrigerator is equipped with a memory function that retains your last temperature settings even after being powered off.

6. Maintenance

Cleaning

• Always disconnect the power supply before cleaning.
• Clean the interior and exterior surfaces with a soft cloth dampened with mild detergent and warm water.
• Do not use abrasive cleaners, harsh chemicals, or sharp objects, as these can damage the surfaces.
• Ensure the interior is completely dry before reconnecting power or storing food.
• Regularly clean the ventilation openings to ensure proper airflow and prevent overheating.

Storage

• If storing the refrigerator for an extended period, ensure it is clean and dry.
• Leave the lid slightly ajar to prevent odors and mold growth.
• Store in a dry, well-ventilated area, away from direct sunlight and extreme temperatures.

7. Troubleshooting

If you encounter issues with your KROAK Portable Refrigerator, please refer to the following common problems and solutions:

If the problem persists after trying these solutions, please contact customer support.

8. Specifications

Figure 7: 35L Model Capacity and Dimensions

Figure 8: Fast Cooling Performance

9. User Tips

While no specific user reviews or Q&A were provided, here are some general tips for optimizing your experience with the KROAK Portable Refrigerator:

• Pre-cool: For best results, pre-cool the refrigerator at home using AC power before loading it with items for your trip.
• Load Efficiently: Pack items tightly to minimize air pockets, which helps maintain temperature.
• Minimize Door Openings: Open the lid only when necessary and close it quickly to prevent cold air from escaping.
• Monitor Battery: When using DC power in a vehicle, regularly check your vehicle's battery status, especially if using the 'Low' battery protection setting.
• App Control Convenience: If you have the Bluetooth version, utilize the mobile app for convenient monitoring and control without needing to access the unit directly.

10. Warranty and Support

For warranty information, technical support, or service inquiries, please refer to the documentation included with your purchase or contact the seller/manufacturer directly. Keep your proof of purchase for warranty claims.